What are two reasons a network administrator would use CDP?()A. to verify the type of cable interconnecting two devicesB. to determine the status of network services on a remote deviceC. to obtain VLAN information from directly connected switchesD. to ver

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第2题：

What are two recommended ways of protecting network device configuration files from outside network security threats (Choose two.)（）。

• A、Allow unrestricted access to the console or VTY ports
• B、Use a firewall to restrict access from the outside to the network devices
• C、Always use Telnet to access the device command line because its data is automatically encrypted
• D、Use SSH or another encrypted and authenticated transport to access device configurations
• E、Prevent the loss of passwords by disabling password encryption

第3题：

What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp command output？（）

• A、The network was originated via redistribution of an interior gateway protocol into BGP
• B、The network was defined by a static route
• C、The network was originated via a network or aggregate command
• D、The network was learned via EBGP
• E、The network was learned via IBGP

第4题：

What are two reasons that a network administrator would use access lists (Choose two.)（）。

• A、to control vty access into a router
• B、to control broadcast traffic through a router
• C、to filter traffic as it passes through a router
• D、to filter traffic that originates from the router
• E、to replace passwords as a line of defense against security incursions

第5题：

What would you use to enforce security-policy compliance on all devices that seek to access the network？（）

• A、 VLAN
• B、 NAC
• C、 EAP
• D、 WLAN

第6题：

What are two reasons that a network administrator would use access lists? (Choose two.) （）。

• A、to control vty access into a router  
• B、to control broadcast traffic through a router  
• C、to filter traffic as it passes through a router  
• D、to filter traffic that originates from the router  
• E、to replace passwords as a line of defense against security incursions 

第7题：

What are two reasons a network administrator would use CDP?（）

• A、to verify the type of cable interconnecting two devices
• B、to determine the status of network services on a remote device
• C、to obtain VLAN information from directly connected switches
• D、to verify Layer 2 connectivity between two devices when Layer 3 fails
• E、to obtain the IP address of a connected device in order to telnet to the device
• F、to determine the status of the routing protocols between directly connected routers

第8题：

Which of the following tools would an administrator BEST use to trace a network cable?（）

• A、Toner
• B、Cable tester
• C、Butt set
• D、Multimeter

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The network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two validreasons for adopting ipv6 over ipv4？（）

• A、telnet access does not require a password
• B、nat
• C、no broadcast
• D、chanage of destination address in the ipv6 header
• E、chanage of source address in the ipv6 header
• F、autoconfiguration

第15题：

What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network when usingthe "show ip bgp" command？（）

• A、The network was originated via redistribution of an interior gateway protocol into BGP
• B、The network was defined by a static route
• C、The network was learned via IBGP
• D、The network was learned via EBGP
• E、The network was originated via a network or aggregate command

第16题：

You are a network administrator and you need to implement a routing protocol on your network that provides: * Scalability * VLSM support * Minimal overhead * Support for connecting networks using routers of multiple vendors Which of the following routing protocol would best serve your needs?（）

• A、VTP
• B、RIP version 1
• C、EIGRP
• D、OSPF
• E、IGRP
• F、CDP

第17题：

the network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two valid reasons for adopting ipv6 over ipv4?（）

• A、telnet access does not require a password
• B、nat
• C、no broadcast
• D、chanage of destination address in the ipv6 header
• E、chanage of source address in the ipv6 header
• F、autoconfiguration

第18题：

What are two reasons a network administrator would use CDP (Choose two.)（）。

• A、to verify the type of cable interconnecting two devices
• B、to determine the status of network services on a remote device
• C、to obtain VLAN information from directly connected switches
• D、to verify Layer 2 connectivity between two devices when Layer 3 fails
• E、to obtain the IP address of a connected device in order to telnet to the device
• F、to determine the status of the routing protocols between directly connected routers

第19题：

A user in the accounting department reports that their office is able to connect to the network, but they are unable to connect to the Internet. Which of the following documentation would be the MOST useful to the administrator in diagnosing this issue?（） (Select TWO).

• A、Physical network diagram
• B、Job log
• C、Acceptable use policy
• D、Baseline documentation
• E、Wiring schematic

第20题：

A network administrator receives complaints from the engineering group that an application on one server is not working properly. After further investigation, the administrator determines that source NAT translation is using a different source address after a random number of flows. Which two actions can the administrator take to force the server to use one address?（） (Choose two.)

• A、Use the custom application feature.
• B、Configure static NAT for the host.
• C、Use port address translation (PAT).
• D、Use the address-persistent option.

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